Home / 26,265.36-39,311.76-19,991.52

Finding the Fourth Proportional to 26,265.36, 39,311.76 and 19,991.52

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Solution

The fourth proportional to 26,265.36, 39,311.76 and 19,991.52 is: 29,921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,265.36 : 39,311.76 = 19,991.52 : x
  2. Step 2: Convert to fraction form
    26,265.36/39,311.76 = 19,991.52/x
  3. Step 3: Cross multiply
    26,265.36x = 39,311.76 × 19,991.52
  4. Step 4: Simplify right side
    26,265.36x = 785,901,836.28
  5. Step 5: Solve for x
    x = 785,901,836.28/26,265.36
  6. Step 6: Final answer
    x = 29,921.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.